| Value | Category | Cases | |
|---|---|---|---|
| -99 | 73 |
24.5%
|
|
| 1 | Not effective at all | 26 |
8.7%
|
| 2 | 5 |
1.7%
|
|
| 3 | 15 |
5%
|
|
| 4 | 14 |
4.7%
|
|
| 5 | 26 |
8.7%
|
|
| 6 | 17 |
5.7%
|
|
| 7 | 6 |
2%
|
|
| 8 | 14 |
4.7%
|
|
| 9 | 11 |
3.7%
|
|
| 10 | Very effective | 44 |
14.8%
|
| 11 | Don't know | 47 |
15.8%
|
| Sysmiss | 77 |